
Figure 1: Distribution of RET-He
RET-He Cut-off |
TSAT <20%, serum Iron |
TSAT <30%, serum Ironvalues)(B) |
Sensitivity % |
67.4 |
67.8 |
Specificity % |
64.5 |
68 |
Negative Predictive |
61.2 |
58.6 |
Positive Predictive |
70.67 |
75.9 |
Table : Abstract table
Characteristic |
Male (Mean±SD) |
Female (Mean±SD) |
No. of patients |
88 (35.3%) |
161 (64.6%) |
Age in years |
61.8 ±10.3a |
54.0 ±12.4a |
Hb (g/dl) |
8.6 ± 0.81 |
8.6 ± 0.79 |
MCV (fl) |
85.4 ± 8.0 |
86.3 ± 7.6 |
RET-He (pg/cell) |
29.7 ± 5 |
29.8 ± 4.7 |
Serum Iron (µg/dl) |
38.1 ± 16.1 |
37.8 ± 16.6 |
Transferrin Saturation % |
15.6 ± 6.8 |
15.2 ± 6.4 |
Ferritin (ng/ml) |
296.5 ± 328.2 |
418.8 ± 621.5 |
Table 1: Study population characteristics*
RET-He Cut-off |
TSAT <20%, serum Iron <40 |
TSAT <30%, serum Iron <40 |
Sensitivity % |
67.4 |
67.8 |
Specificity % |
64.5 |
68 |
Negative Predictive |
61.2 |
58.6 |
Positive Predictive |
70.67 |
75.9 |
Table 2: Gamma passing rates for the various IMRT plans and different verifications
RET-He Cut-off |
TSAT <20%, serum Iron <40 |
TSAT <30%, serum Iron <40 |
Sensitivity % |
74.1 |
73.8 |
Specificity % |
60 |
63 |
Negative Predictive Value (NPV)% |
64.7 |
61.7 |
Positive Predictive Value (PPV)% |
70 |
74.8 |
* RET-He cut-off value established by Peerschke et al [15]
Table 3: Comparative Role of RET-He <31 pg *in the evaluation of Iron Deficiency (ID) in CRA patients (n=249)
RET-He Cut-off |
TSAT <20%, serum Iron <40 |
TSAT <30%, serum Iron <40 |
Sensitivity % |
80.6 |
79.9 |
Specificity % |
55.5 |
58 |
Negative Predictive |
69.3 |
65.9 |
Positive Predictive |
69.7 |
73.9 |
P value |
<0.001 |
<0.001 |
* RET-He cut-off value established by Peerschke et al [15]
Table 4: Comparative Role of RET-He <32* in the evaluation of Iron Deficiency (ID) in CRA patients (n=249)
Figure 1: Distribution of RET-He
Figure 2: ROC Curve for RET-He cut-off value in CRA patients with ID (n=249)
Tables at a glance
Figures at a glance